Walpurgite Mereiter K Tschermaks Mineralogische und Petrographische Mitteilungen 30 (1982) 129-139 The crystal structure of walpurgite,(UO2)Bi4O4(AsO4)2*2H2O Locality: Schneeberg, Germany _database_code_amcsd 0015687 7.135 10.426 5.494 101.47 110.82 88.20 P-1 atom x y z Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) U 0 0 0 .0148 .0076 .0125 .0013 .0059 .0011 Bi1 .21000 .55881 .94457 .0148 .0131 .0127 .0014 .0063 .0039 Bi2 .38368 .34368 .39357 .0121 .0088 .0130 .0015 .0041 .0014 As -.0359 .2400 .5745 .0177 .0110 .0178 .0030 .0083 .0031 O1 .2502 .0250 .2357 2.2 O2 .1286 .4214 .1284 .9 O3 .4907 .5002 .7383 1.0 O4 .1255 .3627 .6043 1.6 O5 -.2359 .2980 .6466 1.4 O6 -.1094 .1648 .2517 1.7 O7 .0865 .1366 .7765 1.7 Wat8 .5134 .7847 .0650 3.5